1 /* <lambda>null2 * Copyright (C) 2025 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.systemui.qs.panels.ui.compose 18 19 import androidx.compose.runtime.Composable 20 import androidx.compose.runtime.LaunchedEffect 21 import androidx.compose.runtime.snapshotFlow 22 import com.android.systemui.qs.panels.ui.viewmodel.TileViewModel 23 24 /** 25 * Use to have tiles start/stop listening when this is composed. Additionally, the listening state 26 * will be gated by [listeningEnabled]. 27 */ 28 @Composable 29 fun TileListener(tiles: List<TileViewModel>, listeningEnabled: () -> Boolean) { 30 LaunchedEffect(tiles) { 31 val token = Any() 32 try { 33 snapshotFlow { listeningEnabled() } 34 .collect { listening -> 35 tiles.forEach { 36 if (listening) { 37 it.startListening(token) 38 } else { 39 it.stopListening(token) 40 } 41 } 42 } 43 } finally { 44 tiles.forEach { it.stopListening(token) } 45 } 46 } 47 } 48